Zemax中PS的玻璃牌号是多少？

NM PS 1 590309 1.590481 30.866877 0 0 -1 xT1{O`  
GC as same as POLYSTYRENE：聚苯乙烯 Z]Iyj 97  
ED 9.000000000E+01 0.000000000E+00 1.050000000E+00 0.000000000E+00 0 0 #3act)m  
CD 2.445983680E+00 2.214289330E-05 2.729885690E-02 3.012108520E-04 8.889348880E-05 -1.757079290E-06 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 za@`,Yq  
TD -2.943000000E-04 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 0.000000000E+00 2.000000000E+01 ^YG.eT6iG  
OD -1.00000 -1.00000 -1.00000 -1.00000 -1.00000 -1.00000 w/m~#`a  
LD 3.65000000E-01 1.01400000E+00 Gr?[s'Ze  
IT 3.34000E-01 1.00000E+00 2.50000E+01 1ssEJ;#s  
IT 3.50000E-01 1.00000E+00 2.50000E+01 2KC~;5  
IT 3.65000E-01 1.00000E+00 2.50000E+01 &MsBcP[
 
IT 3.70000E-01 1.00000E+00 2.50000E+01 ^atB
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IT 3.80000E-01 1.00000E+00 2.50000E+01 O%(k$fvM  
IT 3.90000E-01 1.00000E+00 2.50000E+01 ="*8ja-K  
IT 4.00000E-01 1.00000E+00 2.50000E+01 ^zr]#`@G  
IT 4.20000E-01 1.00000E+00 2.50000E+01 d^.fB+)A3  
IT 4.60000E-01 1.00000E+00 2.50000E+01 'F@#.Op`  
IT 5.00000E-01 1.00000E+00 2.50000E+01 4l*4wx""v  
IT 6.60000E-01 1.00000E+00 2.50000E+01 q^hL[:ms#  
IT 1.06000E+00 1.00000E+00 2.50000E+01 x=(cQmQ  
IT 1.52900E+00 1.00000E+00 2.50000E+01 Kq0!.455  
IT 2.32500E+00 1.00000E+00 2.50000E+01